package com.util
{
	import flash.events.EventDispatcher;

	public class UIUtil extends EventDispatcher
	{
		private static var _instance:UIUtil;
		public static function getInstance():UIUtil{
			if(!_instance){
				_instance = new UIUtil;
			}
			return _instance;
		}
		
		public function UIUtil()
		{
		}
		
		/**
		 * 
		 * 初始化回调函数
		 * 
		 */
		public function callback(...args):*{
			dispatchEvent(new UIEvent(UIEvent.NO_CALLBACK));
			trace("no callback");
			return null;
		}
	}
}